Dr. Thomas C. Greer, MD

  • Dayton, OH
  • Family medicine physician
NPI1295799054PAC ID9234125683
Medicare services, 2024
959
Medicare patients, 2024
153
Part D claims, 2024
9,799
Hospital affiliations
4
Industry payments
$347
Practice address
2000 Composite Dr, Dayton, OH 45420
Practice phone
Call (937) 293-8419
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Primed Physicians

Dayton, Ohio

See all 9 affiliations

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Dr. Thomas C. Greer is a family medicine physician in Dayton, Ohio

Dr. Greer practices at Primed Physicians in Dayton, Ohio.

Dr. Greer's NPI, 1295799054, was assigned on April 17, 2006. Dr. Greer graduated from University of Cincinnati College of Medicine in 1988. Dr. Greer holds Ohio license 35.059200.

NPI and contact details
Medicare PAC ID
9234125683
NPI enumeration date
April 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(937) 293-8419
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Thomas C. Greer practices at Primed Physicians in Dayton, Ohio

Dr. Greer's primary practice is Primed Physicians, at 2000 Composite Dr, Dayton, OH 45420 in Montgomery County. The practice phone is (937) 293-8419.

  • Primed Physicians
    2000 Composite Dr, Dayton, OH 45420 · Montgomery CountyPhone(937) 293-8419

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Thomas C. Greer is affiliated with 8 sites of care and 1 medical group

Dr. Greer's primary practice is Primed Physicians in Dayton, Ohio. Dr. Greer is also affiliated with Miami Valley Hospital. The medical group on file is PriMED Physicians. Dmand AI also links Dr. Greer to 3 more hospitals, 2 home health agencies and 1 group practice or clinic, each named with a free account.

See all 9 affiliations for Dr. Greer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Thomas C. Greer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greer practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Primed PhysiciansAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas C. Greer is one of 4,955 family medicine physicians in Ohio

Family medicine is Dr. Greer's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Greer is licensed in Ohio.

Specialties and state licenses

  • Family medicine, OhioPrimaryLicense 35.059200 · taxonomy 207Q00000X

Family medicine physicians near Dr. Greer

Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Thomas C. Greer billed Medicare for 959 services in 2024

CMS data shows 959 Medicare services from Dr. Greer across 8 procedure codes in 2024, for 153 Medicare patients. Medicare paid $58,107 for them. Every service was in an office.

Medicare services, 2024959
Medicare patients153
Paid by Medicare$58,107
Procedure codes8

Dr. Greer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4682024: 4465%
Other services
2023: 1592024: 379138%
Surgery
2023: 1192024: 7834%
Tests and treatments
2023: 862024: 5635%
Drugs given in the office
2023: 242024: 0100%

Dr. Greer compared with the Ohio median for family medicine physicians, 2024

  • Dr. Greer
  • Ohio median
Medicare services
959vs 4012.4 times
Medicare patients
153vs 151Close to median
Part D claims
9,088vs 1,3236.9 times

Medians across 5,096 family medicine physicians in Ohio with Dmand AI profiles that report each measure.

Dr. Greer's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Greer

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Thomas C. Greer treated 153 Medicare patients in 2024, average age 74

CMS counts 153 Medicare patients who saw Dr. Greer in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Greer's median patient age at 65, with 53% women.

Medicare patients, 2024153
Average age74
Average risk score1.39
Also on Medicaid8%

Dr. Greer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Greer's Medicare patients by sex, 2024

  • Women8052%
  • Men7348%

Chronic conditions among Dr. Greer's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis51%
  4. Chronic kidney disease37%
  5. Mood disorders31%
  6. Depression28%
  7. Diabetes27%
  8. Ischemic heart disease24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Greer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Thomas C. Greer wrote 9,799 Medicare Part D claims in 2024

In 2024, Dr. Greer wrote 9,799 Medicare Part D claims for 534 patients. 90% of them were for generic drugs. CMS names the drug for 9,088 of them, across 154 drugs with 11 or more claims each, at $433,955 in total drug cost. In 2023, CMS named 8,839 claims across 151 drugs.

Part D claims, 20249,799
Drugs named by CMS154
Total drug cost$433,955
Part D patients534

Dr. Greer's Part D claims by kind of drug, 2024

  • Generic8,804 claims90%
  • Brand-name953 claims10%
  • Other42 claims0%

Dr. Greer's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Greer's Part D claims, 2024

  • Opioids7%718 of 9,799 claims
  • Antibiotics3%306 of 9,799 claims
  • Antipsychotics, patients 65 and over1%58 of 9,799 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8,8392024: 9,0883%

Drugs named by CMS: 154 in 2024, 151 in 2023.

See all prescribing by Dr. Greer

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Thomas C. Greer offers telehealth to Medicare patients

Dr. Greer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Greer as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Thomas C. Greer received $347 in industry payments from 2016 to 2025

CMS Open Payments shows 25 general payments to Dr. Greer from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 50% of the total. Abbott Laboratories paid the most, $117.

General payments to Dr. Greer by program year, 2016 to 2025

General payments to Dr. Greer by kind, 2016 to 2025

$347in total
  • Food and beverage$17450%
  • Education$17350%

Companies that paid Dr. Greer the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Greer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Thomas C. Greer graduated from University of Cincinnati College of Medicine

Dr. Greer graduated from University of Cincinnati College of Medicine in 1988.

  1. Medical schoolUniversity of Cincinnati College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Thomas C. Greer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Thomas C. Greer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Thomas C. Greer's NPI number?

Dr. Thomas C. Greer's NPI number is 1295799054. It was assigned on April 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas C. Greer?

Dr. Thomas C. Greer is a family medicine physician in Dayton, Ohio. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Thomas C. Greer practice?

Dr. Greer practices at 2000 Composite Dr, Dayton, OH 45420. Dr. Greer's primary practice is Primed Physicians in Dayton, Ohio. Dmand AI also links Dr. Greer to 3 hospitals, 2 home health agencies and 1 group practice or clinic.

What is Dr. Thomas C. Greer's office phone number?

The practice phone on file for Dr. Greer is (937) 293-8419.

What is Dr. Thomas C. Greer's medical license number?

Dr. Greer holds Ohio license 35.059200.

Which hospitals is Dr. Thomas C. Greer affiliated with?

Dr. Greer is affiliated with Miami Valley Hospital. Dmand AI links Dr. Greer to 3 more hospitals.

What medical group is Dr. Thomas C. Greer part of?

Dr. Greer is linked to PriMED Physicians.

Does Dr. Thomas C. Greer accept Medicare?

Yes. CMS data shows Dr. Greer billed Medicare for 959 services in 2024, and Dr. Greer accepts Medicare assignment.

Does Dr. Thomas C. Greer offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Greer as offering telehealth services.

How many Medicare patients does Dr. Thomas C. Greer see?

CMS counts 153 Medicare patients who saw Dr. Greer in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Thomas C. Greer bill to Medicare?

In 2024, Dr. Greer's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).

Where did Dr. Thomas C. Greer go to medical school?

Dr. Greer graduated from University of Cincinnati College of Medicine in 1988.

What drugs does Dr. Thomas C. Greer prescribe most?

In 2024 Medicare Part D data, Dr. Greer's most prescribed drugs by claims were Gabapentin, Hydrocodone-Acetaminophen and Levothyroxine Sodium.

Has Dr. Thomas C. Greer received payments from drug or device companies?

CMS Open Payments shows $347 in general payments to Dr. Greer from 5 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Thomas C. Greer been practicing?

Dr. Greer graduated from medical school in 1988, 38 years ago.

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